The ability to capture, store and share information can help students reflect on the learning journey. It can be useful for:

• Socialising the classroom
  
• Collaborative learning such as brainstorming
  
• Peer learning
  
• Reflexive activities
  
• Being curious
  
• Thinking creativily and critically.
  
• Gathering, recording, organising and evaluating information
  

• It doesn't require any software installation.
  
• It provides a wide variety of layouts.
  
• It works across multiple devices including mobile phones.
  
• It can be embedded into your blog or website.
  
• It enhances collaborative work. Multiple people can post to the same wall at the same time.
  

There you can paste everything you want: pictures, comments, videos etc.

Besides registration is easy and free: you sign up using your email account and password.